<template>
  <div class="tinymce-container">
    <editor
      :id="tinymceId"
      v-model="richTextValue"
      :init="init"
      :disabled="disabled"
      @onClick="onClick">
    </editor>
    <el-button class="editor-custom-btn-container"
               icon="el-icon-upload"
               size="mini"
               type="primary"
               @click="dialogVisible=true">
      上传图片
    </el-button>
    <es-file-selector
      :show="dialogVisible"
      file-type="pic"
      @changeWindow="changeDisplay"
      :max-select-number="5"
      @select="selectFile"
    ></es-file-selector>
  </div>
</template>

<script>
  import tinymce from 'tinymce/tinymce'
  import Editor from '@tinymce/tinymce-vue'
  import 'tinymce/themes/silver/theme'
  import 'tinymce/plugins/image'
  import 'tinymce/plugins/media'
  import 'tinymce/plugins/table'
  import 'tinymce/plugins/lists'
  import 'tinymce/plugins/contextmenu'
  import 'tinymce/plugins/wordcount'
  import 'tinymce/plugins/colorpicker'
  import 'tinymce/plugins/textcolor'
  import 'tinymce/plugins/searchreplace'
  import 'tinymce/plugins/fullscreen'

  export default {
    name: 'es-rich-text',
    components: {
      Editor
    },
    props: {
      id: {
        type: String,
        default: function () {
          return 'vue-tinymce-' + +new Date() + ((Math.random() * 1000).toFixed(0) + '')
        }
      },
      //传入一个value，使组件支持v-model绑定
      value: {
        type: String,
        default: ''
      },
      disabled: {
        type: Boolean,
        default: false
      },
      plugins: {
        type: [String, Array],
        default: 'searchreplace  fullscreen lists image media table textcolor wordcount contextmenu'
      },
      toolbar: {
        type: [String, Array],
        default: ' undo redo |searchreplace fullscreen lists image media table|  formatselect  fontsizeselect forecolor backcolor| bold italic underline strikethrough removeformat| alignleft aligncenter alignright alignjustify | bullist numlist outdent indent | '
      }
    },
    data() {
      return {
        tinymceId: this.id,
        //文件选择器
        dialogVisible: false,
        //初始化配置
        init: {
          language_url: '/static/tinymce/langs/zh_CN.js',
          language: 'zh_CN',
          skin_url: '/static/tinymce/skins/ui/oxide',
          height: 300,
          plugins: this.plugins,
          toolbar: this.toolbar,
          branding: false,
          menubar: true,
          //此处为图片上传处理函数，这个直接用了base64的图片形式上传图片，
          //如需ajax上传可参考https://www.tiny.cloud/docs/configure/file-image-upload/#images_upload_handler
          images_upload_handler: (blobInfo, success, failure) => {
            const img = 'data:image/jpeg;base64,' + blobInfo.base64()
            success(img)
          }
        },
        richTextValue: this.value
      }
    },
    mounted() {
      tinymce.init({})
    },
    methods: {
      selectFile(files) {
        const _this = this
        files.forEach(v => {
          window.tinymce.get(_this.tinymceId).insertContent(`<img class="wscnph" src="${v.fileUrl}" >`)
        })
      },
      //文件选择器窗口开关回调
      changeDisplay (val) {
        this.dialogVisible = val
      },
      //添加相关的事件，可用的事件参照文档=> https://github.com/tinymce/tinymce-vue => All available events
      //需要什么事件可以自己增加
      onClick(e) {
        this.$emit('onClick', e, tinymce)
      },
      //可以添加一些自己的自定义事件，如清空内容
      clear() {
        this.richTextValue = ''
      }
    },
    watch: {
      value(newValue) {
        this.richTextValue = newValue
      },
      richTextValue(newValue) {
        this.$emit('input', newValue)
      }
    }
  }

</script>
<style scoped>
  .tinymce-container {
    position: relative;
    line-height: normal;
  }
  .editor-custom-btn-container {
    position: absolute;
    right: 4px;
    top: 4px;
    z-index: 1000;
  }
  .fullscreen .editor-custom-btn-container {
    z-index: 10000;
    position: fixed;
  }
</style>
